voila, ca fonctionne mieux, mais pas encore le top
vu sur le lien :
https://wiki.archlinux.org/index.php/bumblebee#Installing_Bumblebee_with_Intel.2FNVIDIA
j'ai installé les 2 packages:
libglvnd.i686
libglvnd.x86_64
du Depot : unitedrpms
ln -sf /usr/lib64/libglvnd/libGL.so.1 /usr/lib64/nvidia-bumblebee/libGL.so.1
ln -sf /usr/lib/libglvnd/libGL.so.1 /usr/lib/nvidia-bumblebee/libGL.so.1
j'ai aussi modifie /etc/bumblebee-nvidia.conf
# colon-separated path to the nvidia libraries
LibraryPath=/usr/lib64/nvidia-bumblebee:/usr/lib/nvidia-bumblebee:/usr/lib64/libglvnd:/usr/lib/libglvnd:/usr/lib64/primus:/usr/lib/primus:/usr/lib64:/usr/lib
#
j'ai maintenant:
optirun -b auto glxspheres64
Polygons in scene: 62464 (61 spheres * 1024 polys/spheres)
Visual ID of window: 0x20
Context is Direct
OpenGL Renderer: GeForce GT 630M/PCIe/SSE2
161.912449 frames/sec - 138.933834 Mpixels/sec
186.990014 frames/sec - 160.452391 Mpixels/sec
192.757256 frames/sec - 165.401146 Mpixels/sec
175.857593 frames/sec - 150.899883 Mpixels/sec
158.264582 frames/sec - 135.803673 Mpixels/sec
157.287879 frames/sec - 134.965583 Mpixels/sec
174.033434 frames/sec - 149.334609 Mpixels/sec
167.974529 frames/sec - 144.135584 Mpixels/sec
178.229700 frames/sec - 152.935341 Mpixels/sec
172.842088 frames/sec - 148.312339 Mpixels/sec
142.493817 frames/sec - 122.271094 Mpixels/sec
147.605113 frames/sec - 126.656995 Mpixels/sec
180.811916 frames/sec - 155.151089 Mpixels/sec